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Incarceration Rate (per 100k residents of all ages)From The Index of Systemic Trends Chart Sources:  1970-1990, see: "The Punishing Decade: Prison and Jail Estimates at the Millennium," Justice Policy Institute, 2000, accessed 12/18/18; 200-2016, see: Danielle Kaeble and Mary Cowhig, "Correctional Populations in the United States, 2016," Bureau of Justice Statistics, April 2018, accessed 12/18/18.